Re: [regression drm/noveau] suspend to ram -> BOOM: exception RIP: drm_calc_vbltimestamp_from_scanoutpos+335

From: Mike Galbraith
Date: Fri Jul 14 2017 - 22:47:22 EST


On Fri, 2017-07-14 at 14:42 -0500, Josh Poimboeuf wrote:
>
> Does this fix it?

Yup, both READONLY __bug_table and "extra stern" warning are gone.

> diff --git a/arch/x86/include/asm/bug.h b/arch/x86/include/asm/bug.h
> index 39e702d..aa6b202 100644
> --- a/arch/x86/include/asm/bug.h
> +++ b/arch/x86/include/asm/bug.h
> @@ -35,7 +35,7 @@
> #define _BUG_FLAGS(ins, flags) \
> do { \
> asm volatile("1:\t" ins "\n" \
> - ".pushsection __bug_table,\"a\"\n" \
> + ".pushsection __bug_table,\"aw\"\n" \
> "2:\t" __BUG_REL(1b) "\t# bug_entry::bug_addr\n" \
> "\t" __BUG_REL(%c0) "\t# bug_entry::file\n" \
> "\t.word %c1" "\t# bug_entry::line\n" \
> @@ -52,7 +52,7 @@ do { \
> #define _BUG_FLAGS(ins, flags) \
> do { \
> asm volatile("1:\t" ins "\n" \
> - ".pushsection __bug_table,\"a\"\n" \
> + ".pushsection __bug_table,\"aw\"\n" \
> "2:\t" __BUG_REL(1b) "\t# bug_entry::bug_addr\n" \
> "\t.word %c0" "\t# bug_entry::flags\n" \
> "\t.org 2b+%c1\n" \